Java

Have you applied the Adapter pattern in your projects?

What types of testing do you implement in your project and what criteria do you use to choose their types?

What constraints and integrity constraints are applicable in PostgreSQL?

How does the Metaspace area differ from PermGen in JVM, and what was introduced instead of PermGen in newer Java versions?

Junior — Middle

Aston

Explain the difference between inversion of control and dependency injection in the Spring framework.

What tools for unit testing do you use or know?

Have you used the ReentrantLock mechanism in your projects for thread management?

What motivated you to choose a career in software development?

How is a composite primary key created in Hibernate?

Junior — Middle

Северсталь-Ифоком

Is it permissible to use null as a key in a HashMap?

Junior — Middle

ОТП Банк

Can you name and explain the use of the Builder pattern in Java?

How do you choose suitable projects for participation or work on them?

Junior — Middle

Axenix

Do you develop microservices or similar service solutions?

Junior — Middle

СБЕР Тех

What is the maximum number of tasks or threads that can be run simultaneously within a ForkJoinPool?

What is the number of prototype beans injected into a singleton bean in Spring?

How is the concept of Aspect-Oriented Programming implemented in the Spring framework?

What happens in the case when the finally block does not trigger or does not execute during code execution?

Junior — Middle

IT One

What steps need to be taken to implement a component in Spring using dependency injection?

What methods can be used to eliminate the problem of regular server reboots caused by OutOfMemoryError?

Junior — Middle

Т-Банк

What experience do you have working with relational databases?

Intern — Junior

Альфа-Банк